أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
1.All moving parts tightness.
2.Fixed contact and moving conntact impression
3.Control wiring tightness
4.Mechanical parts greese
5.All control and protection coil working condition.
according to IEC/ANSI routine tests are as follows
1. Di-electric withstand test
2. Mechanical operations test to ensure interlocks
3. Electrical operation and control wiring test that includes:
a. control wiring continuity
b. control wiring withstand test
c. polarity verification
d. sequence test
e. checking of protective circuits
